C# Signature:

[DllImport("kernel32.dll")]
static extern IntPtr FindFirstChangeNotification(string lpPathName,
   bool bWatchSubtree, uint dwNotifyFilter);

User-Defined Types:

None.

Notes:

Constants to pass for dwNotifyFilter. Found in winnt.h by searching for the ones used in the msdn example.

FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001

FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002

FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004

FILE_NOTIFY_CHANGE_SIZE 0x00000008

FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010

FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020

FILE_NOTIFY_CHANGE_CREATION 0x00000040

FILE_NOTIFY_CHANGE_SECURITY 0x00000100

Tips & Tricks:

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Sample Code:

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Alternative Managed API:

System.IO.FileSystemWatcher

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